body {
    position: absolute;
    font-family: "Microsoft Yahei";
    color: #fff;
    width: 1920px;
    left: 50%;
    margin-left: -960px;
}
#pageLeft {
    position: absolute;
    width: 237px;
    height: 866px;
    background: url(images/bg-left.jpg);
    top: 0;
    left: 0;
}
#shareBox {
    position: absolute;
    width: 198px;
    height: 29px;
    background: url(images/share-box.jpg);
     top: 0;
     left: 1249px;
     font-size: 12px;
}
#main {
    position: absolute;
    width: 1683px;
    height: 866px;
    background: url(images/bg-page.jpg);
    top: 0;
    left: 237px;
}
#board {
    position: absolute;
    width: 750px;
    height: 584px;
    top: 184px;
    left: 339px;
}